@class NSDate; @interface CMMotionTimeRange : CMLogItem { NSDate *fStartDate; NSDate *fEndDate; } @property (readonly, nonatomic) NSDate *startDate; @property (readonly, nonatomic) NSDate *endDate; + (BOOL)supportsSecureCoding; + (struct { double x0; double x1; })CLMotionTimeRangeFromCMMotionTimeRange:(id)a0; + (id)CMMotionTimeRangeFromCLMotionTimeRange:(struct { double x0; double x1; })a0; - (void)dealloc; - (void)encodeWithCoder:(id)a0; - (id)initWithStartDate:(double)a0 endDate:(double)a1; - (id)description; - (id)initWithCoder:(id)a0; - (id)copyWithZone:(struct _NSZone { } *)a0; @end